[Action spectrum--vision, visual pigments].
D000818:Animals; D003118:Color Perception / Q000502:physiology; D006801:Humans; D011712:Pyramidal Tracts / Q000502:physiology; D012160:Retina / Q000166:cytology; D012168:Retinal Pigments / Q000032:analysis*; D011984:Sensory Receptor Cells / Q000502:physiology; D013053:Spectrophotometry; D014796:Visual Perception
D012168:Retinal Pigments